- while (sz < len) {
- ssize_t done = xread(fd, result+sz, len-sz);
- if (done == 0 && sz != len)
- die("early EOF '%s'", elem->path);
- else if (done < 0)
- die("read error '%s'", elem->path);
- sz += done;
- }
+
+ done = read_in_full(fd, result, len);
+ if (done < 0)
+ die("read error '%s'", elem->path);
+ else if (done < len)
+ die("early EOF '%s'", elem->path);
+